Fiddle

Before anything you ll need to first download and include the angular.js file, which can be downloaded from here.

Html:

<h2>Most basic angular.js fiddle example</h2>
<div ng-app>
    {{ 1 + 2 }}
</div>

Also check out this useful video by Dan Wahlin on AngularJs – AngularJS Fundamentals In 60-ish Minutes